Industrial Engineering and Production Management
Travel charts provide

An idea of the flow of materials at various stages
The information for changes required in rearranging material handling equipment
A compact estimate of the handling which must be done between various work sections
An approximate estimate of the handling which must be done at a particular station

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Industrial Engineering and Production Management
The important file in making a PERT is

No activity from any event can be started from preceding event till it is completed
An event can't be accomplished until activities leading to it are completed
Length of arrow has nothing to do with time
All of the these

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